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Refactor Tutorial 2

This commit is contained in:
Marcus Vinicius de Carvalho 2024-09-26 22:05:05 +08:00
parent fe957201e3
commit 9d4f4352a3
16 changed files with 39 additions and 51 deletions
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1
T2Q1-1/src/CircleApp.java
View File

@ -26,7 +26,6 @@ public class CircleApp
else if (option == 2)
{
cir.printArea();
}
else if (option == 3)
{

1
T2Q1-2/src/CircleApp.java
View File

@ -26,7 +26,6 @@ public class CircleApp
else if (option == 2 && cir != null)
{
cir.printArea();
}
else if (option == 3 && cir != null)
{

6
T2Q1-3/src/CircleApp.java
View File

@ -25,7 +25,8 @@ public class CircleApp
}
else if (option == 2)
{
if (cir == null) {
if (cir == null)
{
System.out.println("Create a circle first.");
}
else
@ -35,7 +36,8 @@ public class CircleApp
}
else if (option == 3)
{
if (cir == null) {
if (cir == null)
{
System.out.println("Create a circle first.");
}
else

6
T2Q1-4/src/CircleApp.java
View File

@ -19,7 +19,8 @@ public class CircleApp
}
else if (option == 2)
{
if (cir == null) {
if (cir == null)
{
System.out.println("Create a circle first.");
}
else
@ -29,7 +30,8 @@ public class CircleApp
}
else if (option == 3)
{
if (cir == null) {
if (cir == null)
{
System.out.println("Create a circle first.");
}
else

3
T2Q1-5/src/CircleApp.java
View File

@ -27,10 +27,9 @@ public class CircleApp
}
private static Circle createCircle(Scanner scanner) {
double radius = 0.0;
Circle circle;
System.out.println("Enter the radius to compute the area and circumference");
radius = scanner.nextDouble();
double radius = scanner.nextDouble();
circle = new Circle(radius);
System.out.println("A new circle is created");
return circle;

9
T2Q1-extra1/src/CircleApp.java
View File

@ -11,7 +11,7 @@ public class CircleApp
do {
printMenu();
option = scanner.nextInt();
if (option == 1) circle = createCircle(scanner);
if (option == 1) createCircle(scanner);
else if (option == 2) printArea();
else if (option == 3) printCircumference();
} while (option < 4);
@ -28,14 +28,11 @@ public class CircleApp
else circle.printArea();
}
private static Circle createCircle(Scanner scanner) {
double radius = 0.0;
Circle circle;
private static void createCircle(Scanner scanner) {
System.out.println("Enter the radius to compute the area and circumference");
radius = scanner.nextDouble();
double radius = scanner.nextDouble();
circle = new Circle(radius);
System.out.println("A new circle is created");
return circle;
}
private static void printMenu() {

15
T2Q1-extra2/src/CircularApp.java
View File

@ -13,8 +13,8 @@ public class CircularApp
do {
printMenu();
option = scanner.nextInt();
if (option == 1) circle = createCircle(scanner);
else if (option == 2) elipse = createElipse(scanner);
if (option == 1) createCircle(scanner);
else if (option == 2) createElipse(scanner);
else if (option == 3) printCircleArea();
else if (option == 4) printElipseArea();
else if (option == 5) printCircleCircumference();
@ -43,10 +43,9 @@ public class CircularApp
else circle.printArea();
}
private static Elipse createElipse(Scanner scanner) {
private static void createElipse(Scanner scanner) {
double smallRadius = 0.0;
double largeRadius = 0.0;
Elipse elipse;
System.out.println("Enter the radius 1 to compute the area and circumference");
smallRadius = scanner.nextDouble();
System.out.println("Enter the radius 2 to compute the area and circumference");
@ -58,17 +57,13 @@ public class CircularApp
}
elipse = new Elipse(smallRadius, largeRadius);
System.out.println("A new elipse is created");
return elipse;
}
private static Circle createCircle(Scanner scanner) {
double radius = 0.0;
Circle circle;
private static void createCircle(Scanner scanner) {
System.out.println("Enter the radius to compute the area and circumference");
radius = scanner.nextDouble();
double radius = scanner.nextDouble();
circle = new Circle(radius);
System.out.println("A new circle is created");
return circle;
}
private static void printMenu() {

1
T2Q1-extra2/src/Elipse.java
View File

@ -1,6 +1,5 @@
public class Elipse
{
private double radius;
private double smallRadius;
private double largeRadius;
private static final double PI = 3.14159;

8
T2Q1-extra3/src/Circle.java
View File

@ -15,11 +15,11 @@ public class Circle implements Circular
{
return radius;
}
public double area()
public double computeArea()
{
return PI * radius * radius;
}
public double circumference()
public double computeCircumference()
{
return 2 * PI * radius;
}
@ -27,12 +27,12 @@ public class Circle implements Circular
{
System.out.println("Area of circle");
System.out.println("Radius: " + radius);
System.out.println("Area: " + area());
System.out.println("Area: " + computeArea());
}
public void printCircumference()
{
System.out.println("Circumference of circle");
System.out.println("Radius: " + radius);
System.out.println("Circumference: " + circumference());
System.out.println("Circumference: " + computeCircumference());
}
}

4
T2Q1-extra3/src/Circular.java
View File

@ -1,7 +1,7 @@
public interface Circular
{
public double area();
public double circumference();
public double computeArea();
public double computeCircumference();
public void printArea();
public void printCircumference();
}

21
T2Q1-extra3/src/CircularApp.java
View File

@ -11,8 +11,8 @@ public class CircularApp
do {
printMenu();
option = scanner.nextInt();
if (option == 1) circular = createCircle(scanner);
else if (option == 2) circular = createElipse(scanner);
if (option == 1) createCircle(scanner);
else if (option == 2) createElipse(scanner);
else if (option == 3) printCircleArea();
else if (option == 4) printCircleCircumference();
} while (option < 5);
@ -29,10 +29,9 @@ public class CircularApp
else circular.printArea();
}
private static Elipse createElipse(Scanner scanner) {
private static void createElipse(Scanner scanner) {
double smallRadius = 0.0;
double largeRadius = 0.0;
Elipse elipse;
System.out.println("Enter the radius 1 to compute the area and circumference");
smallRadius = scanner.nextDouble();
System.out.println("Enter the radius 2 to compute the area and circumference");
@ -42,25 +41,21 @@ public class CircularApp
smallRadius = largeRadius;
largeRadius = tempRadius;
}
elipse = new Elipse(smallRadius, largeRadius);
circular = new Elipse(smallRadius, largeRadius);
System.out.println("A new elipse is created");
return elipse;
}
private static Circle createCircle(Scanner scanner) {
double radius = 0.0;
Circle circle;
private static void createCircle(Scanner scanner) {
System.out.println("Enter the radius to compute the area and circumference");
radius = scanner.nextDouble();
circle = new Circle(radius);
double radius = scanner.nextDouble();
circular = new Circle(radius);
System.out.println("A new circle is created");
return circle;
}
private static void printMenu() {
System.out.println("==== Circle Computation =====");
System.out.println("|1. Create a new circle |");
System.out.println("|2. Create a new elise |");
System.out.println("|2. Create a new elipse |");
System.out.println("|3. Print Area |");
System.out.println("|4. Print circumference |");
System.out.println("|5. Quit |");

8
T2Q1-extra3/src/Elipse.java
View File

@ -26,11 +26,11 @@ public class Elipse implements Circular
{
return largeRadius;
}
public double area()
public double computeArea()
{
return PI * smallRadius * largeRadius;
}
public double circumference()
public double computeCircumference()
{
double a = smallRadius;
double b = largeRadius;
@ -45,13 +45,13 @@ public class Elipse implements Circular
System.out.println("Area of elipse");
System.out.println("Small Radius: " + smallRadius);
System.out.println("Large Radius: " + largeRadius);
System.out.println("Area: " + area());
System.out.println("Area: " + computeArea());
}
public void printCircumference()
{
System.out.println("Circumference of elipse");
System.out.println("Small Radius: " + smallRadius);
System.out.println("Large Radius: " + largeRadius);
System.out.println("Circumference: " + circumference());
System.out.println("Circumference: " + computeCircumference());
}
}

1
T3Q2-1/src/Circle.java
View File

@ -10,5 +10,6 @@ public class Circle extends Point {
public void setRadius(double radius) { this.radius = radius; }
public double area() { return Math.PI * radius * radius; }
public String toString() { return "Circle of radius " + radius + " at point [" + x + "," + y + "]"; }
}

2
T3Q2-1/src/Point.java
View File

@ -1,4 +1,4 @@
public class Point {
public class Point extends Object {
protected int x, y;
public Point() { x = 0; y = 0; }